In he 1950s, the united states began exporting elements of its popular culture in large part though: a. diplomatic officials engaged in economic and political negotiations. b. the travels of musical and theatrical entertainers. c. advertising campaigns aimed to globalize american ways of life. d. the mass emigration of americans to other parts of the world.

B. the travels of musical and theatrical entertainers.

Explanation:

Americanization of the world came through the entertainment industry, movies, musical and theater companies took the american way of living all through the world, the main way of cultural imperialism was thansk to the entertainment industry and the global american artists that became famous.

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves